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Class Information
Number: 464/2
Name: Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts > Speed responsive device for adjusting relative rotational position of coupled members > Actuated by fluid or electricity
Description: Subject matter wherein said means acts through the medium of force derived from fluid or electrical power to alter the relative rotational position of the shaft and the other member.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7685988 Coupling device for split in-line engine Mar. 30, 2010
7527028 Hybrid vehicle system having engine with variable valve operation May. 5, 2009
7347173 Valve timing control system for internal combustion engine Mar. 25, 2008
7343887 Apparatus for abnormal diagnosis of variable valve timing mechanism Mar. 18, 2008
7331318 Camshaft adjuster with play-free locking Feb. 19, 2008
7308878 Valve timing control apparatus Dec. 18, 2007
7270096 Variable phase drive mechanism Sep. 18, 2007
7252073 Engine timer for cold-start advance Aug. 7, 2007
7225772 Method, control unit and program code for a control unit for controlling a camshaft control device Jun. 5, 2007
7213554 Valve timing control apparatus for internal combustion engine May. 8, 2007
7214153 Method of changing the duty cycle frequency of a PWM solenoid on a CAM phaser to increase compliance in a timing drive May. 8, 2007
7204217 Hydraulic camshaft adjuster for a camshaft of an internal combustion engine Apr. 17, 2007
7159549 Variable valve system of internal combustion engine Jan. 9, 2007
7152561 Control structure for the adjusting motor of an electric camshaft adjuster Dec. 26, 2006
7150251 Valve timing control apparatus Dec. 19, 2006
7143730 Valve timing control system for internal combustion engine Dec. 5, 2006
7117832 Device for adjusting a camshaft of an internal combustion engine of a motor vehicle Oct. 10, 2006
7089898 Valve timing control device of internal combustion engine Aug. 15, 2006
7059286 Valve timing control apparatus for internal combustion engine Jun. 13, 2006
7025023 Hydraulic camshaft adjuster for an internal combustion engine Apr. 11, 2006
6997150 CTA phaser with proportional oil pressure for actuation at engine condition with low cam torsionals Feb. 14, 2006
6971351 Valve timing adjusting device Dec. 6, 2005
6968816 Oil flow control valve Nov. 29, 2005
6962133 Variable valve timing control device Nov. 8, 2005
6920853 Variable valve timing control device Jul. 26, 2005
6892685 Camshaft control device and control valve with leakage compensation May. 17, 2005
6889641 Camshaft control device and control valve with leakage compensation May. 10, 2005
6883480 Camshaft adjuster for internal combustion engines of motor vehicles Apr. 26, 2005
6866013 Hydraulic cushioning of a variable valve timing mechanism Mar. 15, 2005
6827053 Camshaft control device and control valve with leakage compensation Dec. 7, 2004
6805081 Valve timing control device for internal combustion engine Oct. 19, 2004
6799544 Method and apparatus for actuating a cam phaser Oct. 5, 2004
6769386 Adjusting element for a rotary piston Aug. 3, 2004
6742485 Cam phaser locking pin assembly guide Jun. 1, 2004
6739298 Valve timing adjusting apparatus May. 25, 2004
6701878 Variable valve timing device Mar. 9, 2004
6701877 Camshaft control device and control valve with leakage compensation Mar. 9, 2004
6684835 Valve timing control device Feb. 3, 2004
6679208 Device for adjusting the angle of rotation of a camshaft of an internal combustion engine relative to a drive wheel Jan. 20, 2004
6669567 Device for hydraulically adjusting the angle of rotation of a shaft relative to a driving wheel Dec. 30, 2003
6668777 Arrangement for the relative angle-of-rotation adjustment of a camshaft of an internal-combustion engine with respect to a driving wheel Dec. 30, 2003
6626136 Valve timing control apparatus for internal combustion engine Sep. 30, 2003
6553951 Valve timing regulation device for internal combustion engines Apr. 29, 2003
6543400 Oil supply route in a camshaft for a cam phaser Apr. 8, 2003
6537038 Supply pump having a variable drive gear unit Mar. 25, 2003
6532921 Valve timing adjusting device for internal combustion engine Mar. 18, 2003
6526930 Valve timing control system for internal combustion engine Mar. 4, 2003
6526929 Device for relative angular adjustment between two drive-connected elements rotating at the same rotational speed Mar. 4, 2003
6516763 Method of controlling a device that varies the valve control times an internal combustion engine, especially of a camshaft adjusting device with hydraulically releaseable start lock Feb. 11, 2003
6497620 Coupling assembly for agricultural implements Dec. 24, 2002

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